Final answer:
Lactated Ringers (LR) is an electrolyte solution used in medicine to maintain the balance of electrolytes in the body.
Step-by-step explanation:
Lactated Ringers (LR) is an electrolyte solution used in medicine. LR is composed of various electrolytes, including sodium, potassium, calcium, chloride, and lactate. It is important to use isotonic solutions like LR when administering intravenous fluids to patients to maintain the overall balance of electrolytes in the body.